The radio frequency communication protocol being used by Meross MSH30Q 4.5.23 is…
Priority MEDIUM 40CWE-294Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-294.
Summary
The radio frequency communication protocol being used by Meross MSH30Q 4.5.23 is vulnerable to replay attacks, allowing attackers to record and replay previously captured communication to execute unauthorized commands or actions (e.g., thermostat's temperature).
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0028 20th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-46892
- 2026-10-03 Alias added: GHSA-hf79-3hfm-mgmr
References
More Meross Msh30q Firmware vulnerabilities
- TI-2023-25326 Meross MSH30Q 4.5.23 is vulnerable to Cleartext Transmission of Sensitive Information. CVSS 3.1MEDIUM 5.7
Sources
- CVE-2023-46892 · CVE Program
- CVE-2023-46892 · NVD
- FIRST EPSS
- GHSA-hf79-3hfm-mgmr · GitHub Advisory Database · CC BY 4.0
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